@misc{indiciae63932697524b, title = {Hepatitis B e antigen and hepatitis B surface antigen subtypes.}, author = {A M Couroucé}, year = {1979}, doi = {10.1093/infdis/139.6.735a}, url = {https://pubmed.ncbi.nlm.nih.gov/448200/}, note = {Source identifier: 448200} }